Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.61 − 36 =
- 2.75 − 61 =
- 3.64 − 43 =
- 4.98 − 67 =
- 5.62 − 29 =
- 6.72 − 39 =
- 7.61 − 33 =
- 8.56 − 23 =
- 9.76 − 19 =
- 10.71 − 23 =
- 11.86 − 31 =
- 12.92 − 36 =
- 13.53 − 21 =
- 14.98 − 83 =
- 15.58 − 27 =
- 16.84 − 22 =
- 17.91 − 57 =
- 18.71 − 16 =
- 19.90 − 33 =
- 20.71 − 61 =
- 21.59 − 21 =
- 22.69 − 48 =
- 23.96 − 46 =
- 24.60 − 37 =
- 25.60 − 18 =
- 26.59 − 22 =
- 27.74 − 41 =
- 28.71 − 29 =
- 29.94 − 41 =
- 30.89 − 79 =
- 31.83 − 56 =
- 32.70 − 17 =
- 33.99 − 71 =
- 34.72 − 53 =
- 35.53 − 26 =
- 36.80 − 15 =
- 37.53 − 29 =
- 38.59 − 46 =
- 39.54 − 35 =
- 40.62 − 39 =
Answer key
- 25
- 14
- 21
- 31
- 33
- 33
- 28
- 33
- 57
- 48
- 55
- 56
- 32
- 15
- 31
- 62
- 34
- 55
- 57
- 10
- 38
- 21
- 50
- 23
- 42
- 37
- 33
- 42
- 53
- 10
- 27
- 53
- 28
- 19
- 27
- 65
- 24
- 13
- 19
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths